Mark Miller Mark Miller is a Wall Street Journal and international bestselling author. Today, more than 1.5 million copies of his books are available in more than twenty-five translations. Mark served for more than forty-four years at Chick-il-A, Inc. and helped build their iconic brand. When he retired in 2023, he was serving as the Vice President for High Performance Leadership. His focus for the last twenty-five years has been helping the organization grow its leadership capacity. Read More Read Less